speed dialPronunciation: /ˈspiːdˌdʌɪəl/Translate speed dial | into French | into Italian Definition of speed dial noun a function on some telephones which allows numbers to be entered into a memory and dialled with the push of a single button. verb (speed-dial) (speed-dials, speed-dialling, speed-dialled) [with object] dial (a telephone number) by using a speed dial function: Sarah speed-dialled the number they speed-dialled a few friendsspeed dial in other Oxford dictionaries Definition of speed dial in the US English dictionary